package org.apache.android.mail;

import javax.activation.DataHandler;
import javax.activation.DataSource;
import javax.mail.Message;
import javax.mail.Multipart;
import javax.mail.PasswordAuthentication;
import javax.mail.Session;
import javax.mail.Transport;
import javax.mail.internet.InternetAddress;
import javax.mail.internet.MimeMessage;
import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.security.Security;
import java.util.Properties;
 
public class GMailSender extends javax.mail.Authenticator {
    private String mailhost = "smtp.gmail.com";
    private String user;
    private String password;
    private Session session;
 
    static {
        //Security.addProvider(new org.apache.harmony.xnet.provider.jsse.JSSEProvider());
    	//Security.addProvider(new JSSEProvider());
    }
 
    public GMailSender(String user, String password) {
        this.user = user;
        this.password = password;
 
        Properties props = new Properties();
        /*(props.setProperty("mail.transport.protocol", "smtp");
        props.setProperty("mail.host", mailhost);
        props.put("mail.smtp.auth", "true");
        props.put("mail.smtp.port", "465");
        props.put("mail.smtp.socketFactory.port", "465");
        props.put("mail.smtp.socketFactory.class",
                "javax.net.ssl.SSLSocketFactory");
        props.put("mail.smtp.socketFactory.fallback", "false");
        props.setProperty("mail.smtp.quitwait", "false");*/
		props.put("mail.smtp.host", "smtp.gmail.com");
		props.put("mail.smtp.socketFactory.port", "465");
		props.put("mail.smtp.socketFactory.class", "javax.net.ssl.SSLSocketFactory");
		props.put("mail.smtp.auth", "true");
		props.put("mail.smtp.port", "465");
 
        session = Session.getDefaultInstance(props, this);
    }
 
    protected PasswordAuthentication getPasswordAuthentication() {
        return new PasswordAuthentication(user, password);
    }
 
    public synchronized void sendMail(String subject, String body, String sender, String recipients) throws Exception {
        MimeMessage message = new MimeMessage(session);
        DataHandler handler = new DataHandler(new ByteArrayDataSource(body.getBytes(), "text/plain"));
        message.setSender(new InternetAddress(sender));
        message.setSubject(subject);
        message.setDataHandler(handler);
        if (recipients.indexOf(',') > 0)
            message.setRecipients(Message.RecipientType.TO, InternetAddress.parse(recipients));
        else
            message.setRecipient(Message.RecipientType.TO, new InternetAddress(recipients));
        //message.setText("Hello Android!");
        Transport.send(message);
    }
 
    /*20140117 added by michael
     * send e-mail boby with text/html*/
    public synchronized void sendMail_html(String subject, String body, String sender, String recipients) throws Exception {
        MimeMessage message = new MimeMessage(session);
        DataHandler handler = new DataHandler(new ByteArrayDataSource(body.getBytes(), "text/html"));
        message.setSender(new InternetAddress(sender));
        message.setSubject(subject);
        message.setDataHandler(handler);
        if (recipients.indexOf(',') > 0)
            message.setRecipients(Message.RecipientType.TO, InternetAddress.parse(recipients));
        else
            message.setRecipient(Message.RecipientType.TO, new InternetAddress(recipients));
        //message.setText("Hello Android!");
        Transport.send(message);
    }
    
    /*20140117 added by michael*/
    public synchronized void sendMail_html_with_attachment(String subject, String body, String sender, String recipients, Multipart multipart) throws Exception {
        MimeMessage message = new MimeMessage(session);
        DataHandler handler = new DataHandler(new ByteArrayDataSource(body.getBytes(), "text/html"));
        message.setSender(new InternetAddress(sender));
        message.setSubject(subject);
        message.setDataHandler(handler);
        if (recipients.indexOf(',') > 0)
            message.setRecipients(Message.RecipientType.TO, InternetAddress.parse(recipients));
        else
            message.setRecipient(Message.RecipientType.TO, new InternetAddress(recipients));
        //message.setText("Hello Android!");
        message.setContent(multipart);
        Transport.send(message);
    }
    
    public class ByteArrayDataSource implements DataSource {
        private byte[] data;
        private String type;
 
        public ByteArrayDataSource(byte[] data, String type) {
            super();
            this.data = data;
            this.type = type;
        }
 
        public ByteArrayDataSource(byte[] data) {
            super();
            this.data = data;
        }
 
        public void setType(String type) {
            this.type = type;
        }
 
        public String getContentType() {
            if (type == null)
                return "application/octet-stream";
            else
                return type;
        }
 
        public InputStream getInputStream() throws IOException {
            return new ByteArrayInputStream(data);
        }
 
        public String getName() {
            return "ByteArrayDataSource";
        }
 
        public OutputStream getOutputStream() throws IOException {
            throw new IOException("Not Supported");
        }
    }
}
